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Microprocessors & Microcontrollers8086 Architecture

The external address bus of the 8086 is how many bits wide?

  • A8
  • B16
  • C20
  • D32
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Correct Answer: C. 20
Explanation: The 8086 has 20 address lines, enabling a 20-bit physical address.
Reference: Standard microprocessors and microcontrollers: 8086 architecture
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